4. x° +y+2° = [Give the measure.]
5. aº = b°
[True or False]
6. c° =
[Give the letter of the angle.]
7. aº + cº =
[Give the measure.]
8. x° + y^ =
[Give the letter of the angle.]

the system of inequalities is

step-by-step explanation:

step 1

find the equation of the dashed line

we have the points

(0,0) and (3,1)

the line passes through the origin, so, is a direct variation

find the slope

the equation of the dashed line is

the solution of the inequality a s the shaded area above the dashed line

therefore

the equation of the inequality a is

step 2

find the equation of the solid line

we have the points

(4,0) and (0,4)

find the slope

the equation of the solid line is

the solution of the inequality b s the shaded area below the solid line

therefore

the equation of the inequality b is

step 3

the system of inequalities is

question 1: step-by-step explanation:

1/4 of 84 = 84÷4= 21

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